There will be a sea of yellow when MACS 2017 Training Event and Trade Show attendees pick up their new sunny yellow backpacks at MACS registration desk February 15-18 at the Anaheim Marriott. Longtime MACS member and sponsor Sunair is … Continue reading →

By Steve Schaeber, MACS Technical Editor On September 26th, US EPA finalized two rules that will reduce the projected growth and emissions of HFCs (hydrofluorocarbons), a class of chemicals that includes the mobile air conditioning refrigerant R-134a, commonly used in … Continue reading →

On some 2013 Chevrolet Sparks, the air conditioning duct temperature may be 10°F (5.6°C) warmer at idle, but is sufficient while driving . Verify that the A/C pressures are within specifications at idle according to the A/C Performance Chart … Continue reading →

Attend MACS 2016 Training Event and Trade Show, February 11-13, 2016 at the Caribe Royale all-suite hotel and convention center in Orlando, FL and you’ll be able to take part in training classes like this: Compressors: How and Why They … Continue reading →

Attend MACS 2016 Training Event and Trade Show, February 11-13, 2016 at the Caribe Royale all-suite hotel and convention center in Orlando, FL and you’ll be able to take part in training classes like this: Optimizing System Charge Levels For … Continue reading →

And what you don’t know can cost you in labor, parts and ultimately, customers. Resources abound, of course. This, and many other fine publications devoted to the automotive repair market offer industry insight, technical solutions and marketing perspectives. Other answers … Continue reading →

MACPARTNERS were astounded to hear of the recent “U turn” by the UK ‘s DEFRA (Department for Environment, Food & Rural Affairs) related to the purchase of “F” gases by un-licensed individuals and the general public. As the Pan–European trade … Continue reading →

By: Keith Leonard In the movie Lincoln, Congressman Thaddeus Stevens (portrayed by Tommy Lee Jones) is, in one scene, being questioned during debate over the passage of the Thirteenth Amendment to the Constitution. When questioned about his own beliefs … Continue reading →